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Universal grasping with multi-fingered dexterous hands is a fundamental challenge in robotic manipulation. While recent approaches successfully learn closed-loop grasping policies using reinforcement learning (RL), the inherent difficulty…

Robotics · Computer Science 2025-09-29 Haoqi Yuan , Ziye Huang , Ye Wang , Chuan Mao , Chaoyi Xu , Zongqing Lu

Picking unseen objects from clutter is a difficult problem because of the variability in objects (shape, size, and material) and occlusion due to clutter. As a result, it becomes difficult for grasping methods to segment the objects…

Robotics · Computer Science 2023-12-21 Prem Raj , Aniruddha Singhal , Vipul Sanap , L. Behera , Rajesh Sinha

Grasping is a fundamental capability for robots to interact with the physical world. Humans, equipped with two hands, autonomously select appropriate grasp strategies based on the shape, size, and weight of objects, enabling robust grasping…

Robotics · Computer Science 2026-03-06 Sizhe Yang , Yiman Xie , Zhixuan Liang , Yang Tian , Jia Zeng , Dahua Lin , Jiangmiao Pang

Dexterous robotic hands have the capability to interact with a wide variety of household objects to perform tasks like grasping. However, learning robust real world grasping policies for arbitrary objects has proven challenging due to the…

Robotics · Computer Science 2022-10-26 Zoey Qiuyu Chen , Karl Van Wyk , Yu-Wei Chao , Wei Yang , Arsalan Mousavian , Abhishek Gupta , Dieter Fox

Recent advances in multi-fingered robotic grasping have enabled fast 6-Degrees-Of-Freedom (DOF) single object grasping. Multi-finger grasping in cluttered scenes, on the other hand, remains mostly unexplored due to the added difficulty of…

Robotics · Computer Science 2025-01-09 Jens Lundell , Francesco Verdoja , Ville Kyrki

Although, in the task of grasping via a data-driven method, closed-loop feedback and predicting 6 degrees of freedom (DoF) grasp rather than conventionally used 4DoF top-down grasp are demonstrated to improve performance individually, few…

Robotics · Computer Science 2022-06-22 Dongwon Son

We focus on the task of goal-oriented grasping, in which a robot is supposed to grasp a pre-assigned goal object in clutter and needs some pre-grasp actions such as pushes to enable stable grasps. However, in this task, the robot gets…

Robotics · Computer Science 2021-06-24 Kechun Xu , Hongxiang Yu , Qianen Lai , Yue Wang , Rong Xiong

Task-oriented grasping of unfamiliar objects is a necessary skill for robots in dynamic in-home environments. Inspired by the human capability to grasp such objects through intuition about their shape and structure, we present a novel…

Robotics · Computer Science 2024-03-28 Samuel Li , Sarthak Bhagat , Joseph Campbell , Yaqi Xie , Woojun Kim , Katia Sycara , Simon Stepputtis

Robust and human-like dexterous grasping of general objects is a critical capability for advancing intelligent robotic manipulation in real-world scenarios. However, existing reinforcement learning methods guided by grasp priors often…

Robotics · Computer Science 2025-09-30 Fangting Xu , Jilin Zhu , Xiaoming Gu , Jianzhong Tang

Task-oriented dexterous grasping remains challenging in robotic manipulations of open-world objects under severe partial observation, where significant missing data invalidates generic shape completion. In this paper, to overcome this…

Robotics · Computer Science 2026-04-14 Weishang Wu , Yifei Shi , Zhiping Cai

We consider the problem of sorting a densely cluttered pile of unknown objects using a robot. This yet unsolved problem is relevant in the robotic waste sorting business. By extending previous active learning approaches to grasping, we show…

Robotics · Computer Science 2016-09-06 Janne V. Kujala , Tuomas J. Lukka , Harri Holopainen

Task-oriented grasping, which involves grasping specific parts of objects based on their functions, is crucial for developing advanced robotic systems capable of performing complex tasks in dynamic environments. In this paper, we propose a…

Robotic grasping in cluttered environments is often infeasible due to obstacles preventing possible grasps. Then, pre-grasping manipulation like shifting or pushing an object becomes necessary. We developed an algorithm that can learn, in…

Robotics · Computer Science 2019-07-26 Lars Berscheid , Pascal Meißner , Torsten Kröger

Grasping unseen objects in unconstrained, cluttered environments is an essential skill for autonomous robotic manipulation. Despite recent progress in full 6-DoF grasp learning, existing approaches often consist of complex sequential…

Robotics · Computer Science 2021-03-29 Martin Sundermeyer , Arsalan Mousavian , Rudolph Triebel , Dieter Fox

Language-guided robot dexterous generation enables robots to grasp and manipulate objects based on human commands. However, previous data-driven methods are hard to understand intention and execute grasping with unseen categories in the…

Robotics · Computer Science 2025-07-31 Yi-Lin Wei , Mu Lin , Yuhao Lin , Jian-Jian Jiang , Xiao-Ming Wu , Ling-An Zeng , Wei-Shi Zheng

Achieving diverse and stable dexterous grasping for general and deformable objects remains a fundamental challenge in robotics, due to high-dimensional action spaces and uncertainty in perception. In this paper, we present D3Grasp, a…

Robotics · Computer Science 2025-09-25 Keyu Wang , Bingcong Lu , Zhengxue Cheng , Hengdi Zhang , Li Song

Language-guided grasping has emerged as a promising paradigm for enabling robots to identify and manipulate target objects through natural language instructions, yet it remains highly challenging in cluttered or occluded scenes. Existing…

Robotics · Computer Science 2026-02-05 Rui Tang , Guankun Wang , Long Bai , Huxin Gao , Jiewen Lai , Chi Kit Ng , Jiazheng Wang , Fan Zhang , Hongliang Ren

Pushing objects through cluttered scenes is a challenging task, especially when the objects to be pushed have initially unknown dynamics and touching other entities has to be avoided to reduce the risk of damage. In this paper, we approach…

Robotics · Computer Science 2022-07-18 Nils Dengler , David Großklaus , Maren Bennewitz

Grasping objects in cluttered scenarios is a challenging task in robotics. Performing pre-grasp actions such as pushing and shifting to scatter objects is a way to reduce clutter. Based on deep reinforcement learning, we propose a…

Robotics · Computer Science 2021-07-07 Dafa Ren , Xiaoqiang Ren , Xiaofan Wang , S. Tejaswi Digumarti , Guodong Shi

6D grasping in cluttered scenes is a longstanding problem in robotic manipulation. Open-loop manipulation pipelines may fail due to inaccurate state estimation, while most end-to-end grasping methods have not yet scaled to complex scenes…

Robotics · Computer Science 2022-01-12 Lirui Wang , Xiangyun Meng , Yu Xiang , Dieter Fox